__
                                                                                     |  
                                              _______________________________________|__
                                             |                                          
                       _John J. JACKSON _____|
                      | (1810 - 1877)        |
                      |                      |                                        __
                      |                      |                                       |  
                      |                      |_______________________________________|__
                      |                                                                 
 _James R. JACKSON ___|
| (1837 - 1881)       |
|                     |                                                               __
|                     |                                                              |  
|                     |                       _The father of Major James MONTGOMERY _|__
|                     |                      | (.... - 1838)                            
|                     |_Emily G. MONTGOMERY _|
|                       (1811 - 1885)        |
|                                            |                                        __
|                                            |                                       |  
|                                            |_______________________________________|__
|                                                                                       
|
|--Albert D. JACKSON 
|  (1864 - 1950)
|                                                                                     __
|                                                                                    |  
|                                             _______________________________________|__
|                                            |                                          
|                      ______________________|
|                     |                      |
|                     |                      |                                        __
|                     |                      |                                       |  
|                     |                      |_______________________________________|__
|                     |                                                                 
|_Nancy DAVIS ________|
  (1841 - 1907)       |
                      |                                                               __
                      |                                                              |  
                      |                       _______________________________________|__
                      |                      |                                          
                      |______________________|
                                             |
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                                             |                                       |  
                                             |_______________________________________|__